diff options
Diffstat (limited to 'gitlab/issues_text/target_i386/host_missing/accel_TCG/1371')
| -rw-r--r-- | gitlab/issues_text/target_i386/host_missing/accel_TCG/1371 | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/gitlab/issues_text/target_i386/host_missing/accel_TCG/1371 b/gitlab/issues_text/target_i386/host_missing/accel_TCG/1371 new file mode 100644 index 000000000..833f1dfc9 --- /dev/null +++ b/gitlab/issues_text/target_i386/host_missing/accel_TCG/1371 @@ -0,0 +1,19 @@ +x86 BLSMSK semantic bug +Description of problem: +The result of instruction BLSMSK is different with from the CPU. The value of CF is different. +Steps to reproduce: +1. Compile this code +``` +void main() { + asm("mov rax, 0x65b2e276ad27c67"); + asm("mov rbx, 0x62f34955226b2b5d"); + asm("blsmsk eax, ebx"); +} +``` +2. Execute and compare the result with the CPU. + - CPU + - CF = 0 + - QEMU + - CF = 1 +Additional information: +This bug is discovered by research conducted by KAIST SoftSec. |